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MF-SM030-2-006 Equivalent & Substitute Parts
Part Overview
The MF-SM030-2-006 is a Polymeric PTC Resettable Fuse manufactured by Bourns Inc. as part of the Multifuse® MF-SM series. This surface mount component is rated for 60V maximum voltage with a 300 mA hold current and 600 mA trip current. The part is currently in active production status with AEC-Q200 automotive qualification and full RoHS3 compliance. Identifying equivalent substitute parts is necessary when managing supply chain continuity, optimizing inventory levels, or accommodating packaging format preferences while maintaining identical electrical and mechanical performance.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Voltage - Max | 60V |
| Current - Hold (Ih) (Max) | 300 mA |
| Current - Trip (It) | 600 mA |
| Current - Max | 40 A |
| Time to Trip | 3 s |
| Resistance - Initial (Ri) (Min) | 900 mOhms |
| Resistance - Post Trip (R1) (Max) | 4.8 Ohms |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 2-SMD |
| Size / Dimension | 0.287" L x 0.214" W (7.31mm x 5.44mm) |
| Thickness (Max) | 0.125" (3.18mm) |
| Ratings | AEC-Q200 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the MF-SM030-2-006 is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part MF-SM030-2 maintains identical performance specifications across voltage rating, hold current, trip current, maximum current, time to trip, initial resistance, post-trip resistance, and operating temperature range. Both parts share the same 2-SMD package configuration, physical dimensions (0.287" L x 0.214" W / 7.31mm x 5.44mm), and thickness (0.125" / 3.18mm). The primary distinction between these parts is packaging format: MF-SM030-2-006 is supplied in standard packaging, while MF-SM030-2 is available in Cut Tape (CT) and Digi-Reel® formats. Both maintain identical AEC-Q200 automotive qualification, cURus and TUV approval agency certifications, ROHS3 compliance, and MSL 1 rating.
Parameter Comparison
| Parameter | MF-SM030-2-006 | MF-SM030-2 | Match |
|---|---|---|---|
| Manufacturer | Bourns Inc. | Bourns Inc. | ✓ |
| Series | Multifuse®, MF-SM | Multifuse®, MF-SM | ✓ |
| Type | Polymeric | Polymeric | ✓ |
| Voltage - Max | 60V | 60V | ✓ |
| Current - Hold (Ih) (Max) | 300 mA | 300 mA | ✓ |
| Current - Trip (It) | 600 mA | 600 mA | ✓ |
| Current - Max | 40 A | 40 A | ✓ |
| Time to Trip | 3 s | 3 s | ✓ |
| Resistance - Initial (Ri) (Min) | 900 mOhms | 900 mOhms | ✓ |
| Resistance - Post Trip (R1) (Max) | 4.8 Ohms | 4.8 Ohms | ✓ |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | ✓ |
| Mounting Type | Surface Mount | Surface Mount | ✓ |
| Package / Case | 2-SMD | 2-SMD | ✓ |
| Size / Dimension | 0.287" L x 0.214" W (7.31mm x 5.44mm) | 0.287" L x 0.214" W (7.31mm x 5.44mm) | ✓ |
| Thickness (Max) | 0.125" (3.18mm) | 0.125" (3.18mm) | ✓ |
| Ratings | AEC-Q200 | AEC-Q200 | ✓ |
| Approval Agency | cURus, TUV | cURus, TUV | ✓ |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ✓ |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | ✓ |
| Product Status | Active | Active | ✓ |
Engineering Selection Recommendations
Both MF-SM030-2-006 and MF-SM030-2 are active production components from Bourns Inc. with identical electrical specifications and mechanical form factors. Selection between these parts should be based on packaging format requirements and supply chain availability. The MF-SM030-2-006 is suitable for applications requiring standard packaging, while MF-SM030-2 in Cut Tape (CT) and Digi-Reel® formats accommodates automated assembly processes and high-volume production environments. Both parts maintain full AEC-Q200 automotive qualification and are suitable for applications requiring automotive-grade reliability. RoHS3 compliance and MSL 1 rating confirm suitability for standard manufacturing and storage conditions without special moisture control requirements.
Frequently Asked Questions (FAQ)
Q: Can MF-SM030-2 be used as a direct replacement for MF-SM030-2-006?
A: Yes. Both parts are electrically and mechanically identical across all specified parameters including voltage rating, current ratings, resistance values, operating temperature range, package type, and physical dimensions. The difference is packaging format only.
Q: What is the difference between MF-SM030-2-006 and MF-SM030-2?
A: The primary difference is packaging format. MF-SM030-2-006 uses standard packaging, while MF-SM030-2 is available in Cut Tape (CT) and Digi-Reel® formats designed for automated pick-and-place assembly systems.
Q: Are both parts AEC-Q200 qualified?
A: Yes. Both MF-SM030-2-006 and MF-SM030-2 carry AEC-Q200 automotive qualification and are approved by cURus and TUV agencies.
Q: What is the MSL rating for these parts?
A: Both parts have MSL 1 (Unlimited) rating, indicating no special moisture control or baking requirements are necessary during storage or handling.
Q: Are these parts RoHS compliant?
A: Yes. Both parts are ROHS3 compliant and REACH unaffected.
Q: What is the hold current specification?
A: The hold current (Ih) maximum is 300 mA for both parts. The trip current (It) is 600 mA.
Q: Can these parts be used in automotive applications?
A: Yes. Both parts carry AEC-Q200 automotive qualification, confirming suitability for automotive-grade applications.
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